SMTL ID : 3pd8.1 (1 other biounit)

X-ray structure of the ligand-binding core of GluA2 in complex with (S)-7-HPCA at 2.5 A resolution

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.48 Å

Oligo State

homo-dimer

Ligands

3 x ZN: ZINC ION(Non-covalent)

ZN.1: 3 residues within 4Å: Chain A: E.41, K.44, H.45 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:E.41, A:H.45 ZN.5: 2 residues within 4Å: Chain B: E.41, H.45 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:E.41, B:H.45 ZN.6: 2 residues within 4Å: Chain B: H.22, E.23 3 PLIP interactions: 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:H.22, H2O.6, H2O.9

2 x HA7: (7S)-3-hydroxy-4,5,6,7-tetrahydroisoxazolo[5,4-c]pyridine-7-carboxylic acid(Non-covalent)

HA7.2: 12 residues within 4Å: Chain A: Y.60, P.88, L.89, T.90, R.95, L.137, G.140, S.141, T.142, E.192, M.195, Y.219 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:L.137 Hydrogen bonds: A:P.88, A:T.90, A:S.141, A:T.142, A:T.142, A:E.192 Water bridges: A:L.137, A:T.142, A:E.192 Salt bridges: A:R.95 HA7.7: 11 residues within 4Å: Chain B: Y.60, P.88, L.89, T.90, R.95, L.137, G.140, S.141, T.142, E.192, Y.219 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:Y.60, B:L.137 Hydrogen bonds: B:P.88, B:T.90, B:S.141, B:T.142, B:E.192 Water bridges: B:T.142, B:T.142 Salt bridges: B:R.95

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 8 residues within 4Å: Chain A: P.104, F.105, M.106, S.107, N.241 Chain B: S.216, K.217, G.218 8 PLIP interactions: 7 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:S.107, A:N.241, A:N.241, B:K.217 Water bridges: A:S.107, A:S.107, A:S.107, A:S.107

1 x ACY: ACETIC ACID(Non-functional Binders)

ACY.4: 2 residues within 4Å: Chain A: H.45, K.239 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:H.45, A:K.239

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Frydenvang, K. et al., Biostructural and pharmacological studies of bicyclic analogues of the 3-isoxazolol glutamate receptor agonist ibotenic acid. J. Med. Chem. (2010)

Release Date

2010-12-29

Peptides

Glutamate receptor 2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Glutamate receptor 2

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